SWOMCD
SPC MCD 010246
WIZ000-IAZ000-MOZ000-KSZ000-010345-
MESOSCALE DISCUSSION 1772
NWS STORM PREDICTION CENTER NORMAN OK
0946 PM CDT TUE AUG 31 2010
AREAS AFFECTED...NERN KS...NRN MO THROUGH ERN IA
CONCERNING...SEVERE THUNDERSTORM WATCH 638...639...
VALID 010246Z - 010345Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
638...639...CONTINUES.
SEVERE THREAT HAS BECOME INCREASINGLY MARGINAL AS STORMS MOVE TOWARD
THE ERN BORDERS OF WW 638 AND 639. ANOTHER WW EAST OF CURRENT
WATCHES IS NOT ANTICIPATED AS PRIMARY THREAT APPEARS TO HAVE
TRANSITIONED TO HEAVY RAIN.
LINE OF STORMS FROM SWRN WI THROUGH E-CNTRL IA...NWRN MO AND NERN KS
CONTINUES SEWD AT AROUND 20-25 KT. OVERALL TREND HAS BEEN FOR STORMS
WITHIN THE LINE TO WEAKEN AND BECOME LESS ORGANIZED. THIS TREND
SHOULD CONTINUE AS STORMS MOVE SEWD INTO AN INCREASINGLY MARGINAL
THERMODYNAMIC ENVIRONMENT WHERE VERTICAL SHEAR IS ALSO WEAKER. WHILE
SOME THREAT FOR ISOLATED STRONG WIND GUSTS CANNOT BE RULED
OUT...COVERAGE OF ANY FUTURE SEVERE EVENTS IS EXPECTED TO REMAIN TOO
SPARSE TO WARRANT ANOTHER WW ISSUANCE.
..DIAL.. 09/01/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...DVN...ARX...DMX...EAX...TOP...ICT...
LAT...LON 41189300 42219229 42789181 43269068 42749062 41099194
39539319 38519612 38259768 38759813 39859414 41189300
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